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US Patent: 56,020
Improvement in sewing-machines
Patentee:
George L. Du Laney (exact or similar names) - Mechanicsburg, PA

USPTO Classifications:
112/168

Tool Categories:
household : sewing machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. C. Miller
M. Friese, Jr.
Patent Dates:
Granted: Jul. 03, 1866

Patent Pictures:
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